added XML resources library

[wxWidgets.git] / contrib / src / xml / xh_sizer.cpp

diff --git a/contrib/src/xml/xh_sizer.cpp b/contrib/src/xml/xh_sizer.cpp
new file mode 100644 (file)
index 0000000..8932fc6
--- /dev/null
+++ b/contrib/src/xml/xh_sizer.cpp
@@ -0,0 +1,195 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        xh_sizer.cpp
+// Purpose:     XML resource for wxBoxSizer
+// Author:      Vaclav Slavik
+// Created:     2000/03/21
+// RCS-ID:      $Id$
+// Copyright:   (c) 2000 Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+ 
+#ifdef __GNUG__
+#pragma implementation "xh_sizer.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/xml/xh_sizer.h"
+#include "wx/sizer.h"
+#include "wx/log.h"
+#include "wx/statbox.h"
+#include "wx/notebook.h"
+
+wxSizerXmlHandler::wxSizerXmlHandler() 
+: wxXmlResourceHandler(), m_IsInside(FALSE), m_ParentSizer(NULL)
+{
+    ADD_STYLE(wxHORIZONTAL);
+    ADD_STYLE(wxVERTICAL);
+
+    // and flags
+    ADD_STYLE(wxLEFT);
+    ADD_STYLE(wxRIGHT);
+    ADD_STYLE(wxTOP);
+    ADD_STYLE(wxBOTTOM);
+    ADD_STYLE(wxNORTH);
+    ADD_STYLE(wxSOUTH);
+    ADD_STYLE(wxEAST);
+    ADD_STYLE(wxWEST);
+    ADD_STYLE(wxALL);
+
+    ADD_STYLE(wxGROW);
+    ADD_STYLE(wxEXPAND);
+    ADD_STYLE(wxSHAPED);
+    ADD_STYLE(wxSTRETCH_NOT);
+
+    ADD_STYLE(wxALIGN_CENTER);
+    ADD_STYLE(wxALIGN_CENTRE);
+    ADD_STYLE(wxALIGN_LEFT);
+    ADD_STYLE(wxALIGN_TOP);
+    ADD_STYLE(wxALIGN_RIGHT);
+    ADD_STYLE(wxALIGN_BOTTOM);
+    ADD_STYLE(wxALIGN_CENTER_HORIZONTAL);
+    ADD_STYLE(wxALIGN_CENTRE_HORIZONTAL);
+    ADD_STYLE(wxALIGN_CENTER_VERTICAL);
+    ADD_STYLE(wxALIGN_CENTRE_VERTICAL);
+}
+
+
+
+wxObject *wxSizerXmlHandler::DoCreateResource()
+{ 
+    if (m_Node->GetName() == _T("sizeritem"))
+    {
+        wxXmlNode *n = GetParamNode(_T("window"))->GetChildren();
+
+        while (n)
+        {
+            if (n->GetType() == wxXML_ELEMENT_NODE)
+            {        
+                bool old_ins = m_IsInside;
+                m_IsInside = FALSE;
+                wxObject *item = CreateResFromNode(n, m_Parent, NULL);
+                m_IsInside = old_ins;
+                wxSizer *sizer = wxDynamicCast(item, wxSizer);
+                wxWindow *wnd = wxDynamicCast(item, wxWindow);
+                
+                if (sizer)
+                    m_ParentSizer->Add(sizer, GetLong(_T("option")), 
+                                       GetStyle(_T("flag")), GetLong(_T("border")));
+                else if (wnd)
+                    m_ParentSizer->Add(wnd, GetLong(_T("option")), 
+                                       GetStyle(_T("flag")), GetLong(_T("border")));
+                else 
+                    wxLogError(_T("Error in resource."));
+                
+                return item;
+            }
+            n = n->GetNext();
+        }
+        wxLogError(_T("Error in resource: no control/sizer within sizer's <item> tag."));
+        return NULL;
+    }
+    
+    else if (m_Node->GetName() == _T("spacer"))
+    {
+        wxCHECK_MSG(m_ParentSizer, NULL, _T("Incorrect syntax of XML resource: spacer not within sizer!"));
+        wxSize sz = GetSize();
+        m_ParentSizer->Add(sz.x, sz.y,
+            GetLong(_T("option")), GetStyle(_T("flag")), GetLong(_T("border")));
+        return NULL;
+    }
+    
+#if wxUSE_NOTEBOOK
+    else if (m_Node->GetName() == _T("notebooksizer"))
+    {
+        wxCHECK_MSG(m_ParentSizer, NULL, _T("Incorrect syntax of XML resource: notebooksizer not within sizer!"));        
+
+        wxSizer *old_par = m_ParentSizer;
+        m_ParentSizer = NULL;
+
+        wxNotebook *nb = NULL;
+        wxObject *item;
+        wxXmlNode *n = GetParamNode(_T("window"))->GetChildren();
+        while (n)
+        {
+            if (n->GetType() == wxXML_ELEMENT_NODE)
+            {        
+                item = CreateResFromNode(n, m_Parent, NULL);
+                nb = wxDynamicCast(item, wxNotebook);
+                break;
+            }
+            n = n->GetNext();
+        }
+
+        m_ParentSizer = old_par;
+        
+        wxCHECK_MSG(nb, NULL, _T("Incorrect syntax of XML resource: notebooksizer must contain a notebook!"));
+        return new wxNotebookSizer(nb);
+    }
+#endif
+    
+    else {
+        wxSizer *sizer = NULL;
+        
+        wxXmlNode *parentNode = m_Node->GetParent()->GetParent();
+
+        wxCHECK_MSG(m_ParentSizer != NULL ||
+                ((parentNode->GetName() == _T("panel") ||
+                  parentNode->GetName() == _T("dialog")) &&
+                 parentNode->GetType() == wxXML_ELEMENT_NODE), NULL,
+                _T("Incorrect use of sizer: parent is not 'dialog' or 'panel'."));
+
+        if (m_Node->GetName() == _T("boxsizer"))
+            sizer = new wxBoxSizer(GetStyle(_T("orient"), wxHORIZONTAL));
+
+        else if (m_Node->GetName() == _T("staticboxsizer"))
+        {
+            sizer = new wxStaticBoxSizer(
+                         new wxStaticBox(m_ParentAsWindow, -1, GetText(_T("label"))),
+                         GetStyle(_T("orient"), wxHORIZONTAL));
+        }
+
+        wxSizer *old_par = m_ParentSizer;
+        m_ParentSizer = sizer;
+        bool old_ins = m_IsInside;
+        m_IsInside = TRUE;
+        CreateChildren(m_Parent, TRUE/*only this handler*/);
+        m_IsInside = old_ins;
+        m_ParentSizer = old_par;
+        
+        if (m_ParentSizer == NULL) // setup window:
+        {
+            m_ParentAsWindow->SetAutoLayout(TRUE);
+            m_ParentAsWindow->SetSizer(sizer);
+
+            wxXmlNode *nd = m_Node;
+            m_Node = parentNode;
+            if (GetSize() == wxDefaultSize)
+                sizer->Fit(m_ParentAsWindow);
+            m_Node = nd;
+
+            if (m_ParentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER))
+                sizer->SetSizeHints(m_ParentAsWindow);
+        }
+        
+        return sizer;
+    }
+}
+
+
+
+bool wxSizerXmlHandler::CanHandle(wxXmlNode *node)
+{
+    return ((!m_IsInside && node->GetName() == _T("boxsizer")) ||
+            (!m_IsInside && node->GetName() == _T("staticboxsizer")) ||
+#if wxUSE_NOTEBOOK
+            (!m_IsInside && node->GetName() == _T("notebooksizer")) ||
+#endif
+            (m_IsInside && node->GetName() == _T("sizeritem")) ||
+            (m_IsInside && node->GetName() == _T("spacer")));
+}